[epiphany] Update TODO

[Michael Catanzaro <mcatanzaro src gnome org>]

commit cb6e0dae4e0e0741d07d3b24e6ba625019f5e374
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Tue Feb 9 23:46:17 2016 -0600

    Update TODO

 TODO |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/TODO b/TODO
index 5b7511e..246e19e 100644
--- a/TODO
+++ b/TODO
@@ -3,6 +3,7 @@ Some TODO items, in no particular order:
 - Use G_DECLARE_[FINAL,DERIVABLE]_TYPE
 - Pass NULL instead of manually choosing signal marshallers
 - Use g_signal_emit instead of g_signal_emit_by_name
+- Replace constructor functions with constructed functions
 - Use g_clear_object in dispose/finalize
 - Get rid of object references in dispose, not finalize
 - Move all the old code to the new coding style